Expand AllThe accelerator position sensor is installed on the accelerator pedal and detects the accelerator pedal opening. The engine control computer judges the present opening of the accelerator pedal and controls the throttle motor. The engine control computer sends a trouble detection signal to the transmission control computer ASSY when it detects accelerator position sensor trouble. When the transmission control computer ASSY receives this signal, it puts out a diagnostic code.
| DTC No. |
|
Inspection part |
| P1604/24 |
|
|
Detail
- Output of an ECD system accelerator position sensor trouble code other than DTC P1604/24, {DTC P2120/19 [accelerator sensor wire break], P2121/19 [accelerator sensor (outside the range)], P2122/19 [accelerator sensor No. 1 wire break (Low)], P2123/19 [accelerator sensor No. 1 wire break (High)], P2125/19 [accelerator sensor No. 2 wire break], P2127/19 [accelerator sensor No. 2 wire break (Low)], P2128/19 [accelerator sensor No. 2 wire break (High)], and P2138/19 [accelerator sensor wire break]} is checked.
Standard:
Inspection result Step Output of DTC P1604/24 To step A Output of DTC P1604/24 and other diagnostic codes To step B
When a diagnostic code other than DTC P1604/24 is put out, perform trouble-shooting first for that diagnostic code.
B
To the related diagnostic code chart [refer to chapter ES (NO4C) for the outline]A
Inspect and replace the transmission control computer ASSY.
- Confirm the DTC P1604/24 is inactive
- Start the engine and let it idling condition.
- Verify the DTC P1604/24 is inactive.
- DTC Clear
- Clear the DTC with Hino DX
- Confirm the same DTC is not reoccurred
- P1604/24 is reoccurF Return to first process
- Other DTC appearF Refer to concerned Trouble shooting
Complete
